Simon Willison’s Weblog

30th April 2025

Tool HTML Live Preview — Write HTML code directly in the editor pane and see the rendered output update in real-time in the preview pane. The editor supports live preview with debounced updates to prevent excessive rendering, and includes a copy button to save your HTML code to the clipboard. On mobile devices, toggle between the editor and preview views using the dedicated button in the toolbar.

Posted 30th April 2025 at 2:55 am

Recent articles

The Pelican comparison grid for Astra is pretty interesting - 4th September 2026
OpenAI's rogue agents were caught communicating via public wikis - 4th September 2026
Claude's new system prompt really doesn't want to reproduce song lyrics - 2nd September 2026

This is a beat by Simon Willison, posted on 30th April 2025.

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